What are the reactants in copper wire added to silver nitrate?

The number of molecules of HI  that are needed to produce 72.54g of BaL2 is6.365 x 10^23.

To determine the number of molecules of HI needed to produce 72.54g of BaL2, we need to first find the moles of BaL2 and then use the balanced chemical equation to find the moles of HI.

First, we'll find the moles of BaL2:

72.54 g of BaL2 / 137.3 g/mol = 0.529 moles of BaL2

Next, we'll use the balanced chemical equation to find the moles of HI:

BaSO4 + 2HI -> BaL2 + H2SO4

From this equation, we can see that for every 2 moles of HI that react, 1 mole of BaL2 is produced. Therefore, to produce 0.529 moles of BaL2, we need 0.529 x 2 = 1.058 moles of HI.

Finally, we'll convert the moles of HI to the number of molecules:

1.058 moles of HI x 6.022 x 10^23 molecules/mole = 6.365 x 10^23 molecules of HI.

Therefore  the number of molecules of HI needed to produce 72.54g of BaL2 is approximately 6.365 x 10^23.

Learn more about molecules here:https://brainly.com/question/26044300

#SPJ1

The product of the hydration reaction of 2-butene is 2-butanol.The H+ from the water attach to one double bonded carbon and the OH group attaches to the second double bonded carbon atom as shown in the image.

Alkenes are unsaturated hydrocarbons with one or more double bonds between carbon atoms. They are highly reactive due to the electron deficient center.

When alkenes are treated with water, according to rule of Markonikoves, H+ will attach at the most substituted double bonded carbon and OH with least substituted one.

Here in 2- butene it is a symmetric alkene hence both double bonded carbon are singly occupied by one hydrogen. Then , the major product is 2- butanol.

Find more on alkenes:

https://brainly.com/question/29032376

#SPJ9

Answer: Vinegar

Explanation:

The vinegar and salt affects the shell because food coloring does not affect anything besides the color so the viniger has substances which dissolves thing and the salt just made the vinegar a stronger substance. The Vinegar reactes to form a compund on the shell.

Answer:

Cr2H6O7S so this the answer hope its useful

Answer:

the forces holding the atoms get weakened

Answer: It will turn to liquid

Explanation: The substance will turn into a liquid form because the amount of energy in the particles increases.

Answer:

348 g FeCO3

Explanation:Use your 3 mol's and find the atomic number of Iron II and CO3 which i think is 115.854 so you multiply it by the 3 and that should give you your grams in FeCO3.

Answer:

Unicellular organisms consist of only one cell and multicellular organisms consist of many cell.

Explanation:

Living things made up of a cell are called unicellular beings. They are very small and simple. In other words, unicellular organisms are those that are formed only by a single cell in which all the vital functions necessary for life are produced. For this reason, they are mostly microscopic organisms. Examples of unicellular organisms are viruses or bacteria.

Multicellular organisms are made up of a large number of cells. They present, therefore, a greater complexity than unicellular organisms in terms of the functions they develop. All current multicellular organisms come from a single cell, that is, they begin their life being unicellular. That is, they are formed from a zygote. Some examples of multicellular organisms are mammals, fungi, and mosses.

So, unicellular organisms consist of only one cell and multicellular organisms consist of many cell.

1. Hydrogen (H), Atomic Number: 1, Electronic Configuration: 1s1, Valency: 1, Valence Electrons: 1 - Hydrogen has one valence electron in its outer shell, making it a monovalent element.

Atomic number is a unique number assigned to each element in the periodic table. It represents the number of protons in the nucleus of an atom of an element. Every element is identified by its atomic number, which is usually located at the top left corner of the element's symbol in the periodic table.

2. Helium (He), Atomic Number: 2, Electronic Configuration: 1s², Valency: 0, Valence Electrons: 0 - Helium does not have any valence electrons in its outer shell, making it a noble gas.
3. Lithium (Li), Atomic Number: 3, Electronic Configuration: 1s² 2s¹, Valency: 1, Valence Electrons: 1 - Lithium has one valence electron in its outer shell, making it a monovalent element.
4. Beryllium (Be), Atomic Number: 4, Electronic Configuration: 1s² 2s², Valency: 2, Valence Electrons: 2 - Beryllium has two valence electrons in its outer shell, making it a bivalent element.
5. Boron (B), Atomic Number: 5, Electronic Configuration: 1s² 2s² 2p¹, Valency: 3, Valence Electrons: 3 - Boron has three valence electrons in its outer shell, making it a trivalent element.
6. Carbon (C), Atomic Number: 6, Electronic Configuration: 1s² 2s² 2p², Valency: 4, Valence Electrons: 4 - Carbon has four valence electrons in its outer shell, making it a tetravalent element.
7. Nitrogen (N), Atomic Number: 7, Electronic Configuration: 1s² 2s² 2p³, Valency: 3, Valence Electrons: 5 - Nitrogen has five valence electrons in its outer shell, making it a trivalent element.
8. Oxygen (O), Atomic Number: 8, Electronic Configuration: 1s² 2s² 2p⁴, Valency: 2, Valence Electrons: 6 - Oxygen has six valence electrons in its outer shell, making it a bivalent element.
9. Fluorine (F), Atomic Number: 9, Electronic Configuration: 1s² 2s² 2p⁵, Valency: 1, Valence Electrons: 7 - Fluorine has seven valence electrons in its outer shell, making it a monovalent element.
10. Neon (Ne), Atomic Number: 10, Electronic Configuration: 1s² 2s² 2p⁶, Valency: 0, Valence Electrons: 8 - Neon does not have any valence electrons in its outer shell, making it a noble gas.
11. Sodium (Na), Atomic Number: 11, Electronic Configuration: 1s² 2s² 2p⁶6 3s¹, Valency: 1, Valence Electrons: 1 - Sodium has one valence electron in its outer shell, making it a monovalent element.
12. Magnesium (Mg), Atomic Number: 12, Electronic Configuration: 1s² 2s² 2p⁶ 3s², Valency: 2, Valence Electrons: 2 - Magnesium has two valence electrons in its outer shell, making it a bivalent element.
13. Aluminum (Al), Atomic Number: 13, Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p¹, Valency: 3, Valence Electrons: 3 - Aluminum has three valence electrons in its outer shell, making it a trivalent element.
14. Silicon (Si), Atomic Number: 14, Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p², Valency: 4, Valence Electrons: 4 - Silicon has four valence electrons in its outer shell, making it a tetravalent element.
15. Phosphorus (P), Atomic Number: 15, Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p³, Valency: 3 or 5, Valence Electrons: 5 - Phosphorus has five valence electrons in its outer shell, making it a trivalent or pentavalent element.
16. Sulfur (S), Atomic Number: 16, Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p⁴, Valency: 2, 4 or 6, Valence Electrons: 6 - Sulfur has six valence electrons in its outer shell, making it a bivalent, tetravalent or hexavalent element.
17. Chlorine (Cl), Atomic Number: 17, Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p⁵, Valency: 1, Valence Electrons: 7 - Chlorine has seven valence electrons in its outer shell, making it a monovalent element.
18. Argon (Ar), Atomic Number: 18, Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶, Valency: 0, Valence Electrons: 8 - Argon does not have any valence electrons in its outer shell, making it a noble gas.
19. Potassium (K), Atomic Number: 19, Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s1, Valency: 1, Valence Electrons: 1 - Potassium has one valence electron in its outer shell, making it a monovalent element.
20. Calcium (Ca), Atomic Number: 20, Electronic Configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s², Valency: 2, Valence Electrons: 2 - Calcium has two valence electrons in its outer shell, making it a bivalent element.

To learn more about Atomic Number
https://brainly.com/question/29793337
#SPJ1

The number of valence electrons for neutral atoms is the same as the number of the atom's main group. A periodic table element's column can be used to determine its main group number. For instance, carbon, which belongs to group 4, has four valence electrons.

For an atom to become a charged ion and create an ionic connection with another atom, it must have between one and three valence electrons, which it will lose.

Atoms can be very reactive or extremely inactive depending on how many valence electrons they have. The quantity of valence electrons in an atom also affects whether or not it is more likely to lose or acquire electrons during chemical processes. Metals may carry electricity because they readily give away electrons.

Learn more about valence electrons https://brainly.com/question/12717954

#SPJ9

Answer:

Mark Brainliest

Explanation:

Which compound below will readily react with a solution of bromine resulting from a mixture of 48% hydrobromic acid and 30% hydrogen peroxide? In general, what type of compound is expected to be the final product when two halogen atoms add across the double bond of an alkene? -A "vicinal" dihalide.

The answer is stoichiometric coefficient.

The stoichiometric coefficient is the number written in front of atoms, ions, and molecules in a chemical reaction to balance the number of elements.

What is stoichiometric coefficient?

To learn more about stoichiometric coefficient visit:

brainly.com/question/12733510

#SPJ4

M_1V_1 = M_2V_2 Given ,Desired pH = 5.0pKa of acetic acid = 4.76Desired molarity = 0.1 M Volume = 600 ml are equal

Concentration of acid = [acid]Concentration of base = [base][base]/[acid] = 2.3[acid] = x[base] = 2.3xConcentration of acid and base should to 0.1 MM_1V_1 = M_2V_2M_1 = 0.1M of acetic acid or 0.1M sodium acetate (stock solution)V_1 = what to solve forM_2 = the value for [acid] or [base] solved in 4bV_2 = the desired buffer volume (600mL)Now, using the Henderson-Hasselbalch equation, we can calculate the ratio of base to acid:[base]/[acid] = 10^(pH - pKa) = 10^(5.0 - 4.76) = 1.67Solving for x and [base] using the equation x + 2.3x = 0.1, we get:x = [acid] = 0.026 M[base] = 2.3x = 0.060 MTo calculate

the volumes of acetic acid and sodium acetate required, we can use the formula:Molarity × Volume = Mass ÷ Molecular weight × 1000where 1000 is to convert the mass to milliliters.Mass of sodium acetate = Molecular weight × Volume × Molarity= 82.03 g/mol × 600 ml × 0.060 mol/L= 295.31 gMass of acetic acid = Molecular weight × Volume × Molarity= 60.05 g/mol × 600 ml × 0.026 mol/L= 95.52 gNow we know the masses of sodium acetate and acetic acid required. To make the buffer, we dissolve these masses in water and then add enough water to make the final volume 600 ml.

To know more about equal  Visit;

https://brainly.com/question/29728801

#SPJ11

Answer:

4

Explanation: it's a carbon atom right....soo it'll form 4 bonds(single)

An atom can form 4 single covalent bonds is carbon with two electron shell.

The bonds are defined as a strong bond that binds atoms, ions, or molecules together and promotes the production of molecules.

There are three types of bonds.

Covalent bonds are defined as the bond formed by sharing of electrons with each other.

Covalent bonding is a stable equilibrium of the attractive and repulsive forces between two atoms that occurs when they share electrons. Bonding pairs or sharing pairs are other names for these electron pairs.

It can also be defined as a type of chemical link where atoms share electrons to create electron pairs.

Covalent bonds  has low melting point, boiling point, enthalpy of fusion and enthalpy of vaporization.

Thus, an atom can form 4 single covalent bonds is carbon with two electron shell.

To learn more about covalent bonds, refer to the link below:

https://brainly.com/question/10777799

#SPJ12

Answer:

It is composed of protons, which have a positive charge, and neutrons, which have no charge. Protons, neutrons, and the electrons surrounding them are long-lived particles present in all ordinary, naturally occurring atoms. Other subatomic particles may be found in association with these three types of particles.

Explanation:

Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).

B. 2Na:Cl2

2 moles of sodium react with 1 mole of chlorine to generate 2 moles of sodium chloride.

5 moles of sodium will react with 2/51 =2.5 moles of chlorine to form 5.0 moles of NaCl.

Because 3.0 moles of chlorine are present, chlorine is an excess reagent.

As a result, the Cl is the oxidising agent since it pushed the 2I to lose one electron while also gaining two electrons. 2I is the reducing agent.

Sodium is in the 0 oxidation state on the LHS and changes to +1 in the product, therefore it is oxidised. Hydrogen was +1 on the reactant side and goes to 0 oxidation state on the RHS, hence it is reduced.

learn more about oxidising agent

https://brainly.com/question/14041413

#SPJ1

Answer: The given compounds are identified as being made of ionic, covalent, or metallic bonds:

Explanation:

A bond formed by transfer of electrons from one atom to another is called an ionic bond. An ionic bond is formed between a metal atom and a non-metal atom.

A bond formed by transfer of electrons from one atom to another is called a covalent bond. A covalent bond is formed between two or more non-metal atoms only.

Steel is actually an alloy of carbon and iron where there is less than 2% carbon, 1% manganese and small amounts of silicon, phosphorus, oxygen and sulphur are present.

When atoms of metals are held together then bond formed between these atoms is called metallic bond.

Hence, steel is made of metallic bond.

Chemical formula of propane is \(CH_{3}CH_{2}CH_{3}\) as there are only non-metal atoms are present. So, sharing of electrons takes place in such atoms due to which covalent bonding will be there.

Hence, propane is made up of covalent bonds.  

Calcium chloride contains a metal and a non-metal atom. This means that electrons are being transferred from calcium atom to the chlorine atom. Hence, bond present in calcium chloride is ionic bond.

Water has chemical formula \(H_{2}O\). Since, non-metal atoms are present there so sharing of electrons takes place between hydrogen and oxygen atoms. Hence, covalent bond is present in water.

Thus, we can conclude that given compounds are identified as being made of ionic, covalent, or metallic bonds:

Steel: ✔ metallic

Propane: ✔ covalent

Calcium chloride: ✔ ionic

Water: ✔ covalent

The comparison between the class barometer data and the air pressure shown in the weather report serves as a means to evaluate the accuracy and effectiveness of the barometer's measurements.

The comparison between the data from the class barometer and the air pressure shown in the weather report revealed a correlation between the two measurements. The class barometer readings were likely taken at the same time as the weather report's air pressure measurement to ensure accurate comparison.

If the class barometer readings closely matched the air pressure indicated in the weather report, it would suggest that the barometer was functioning correctly and providing reliable measurements. This would indicate that the class barometer could be used as a reliable tool for monitoring air pressure changes.

However, if there were significant discrepancies between the class barometer readings and the air pressure reported in the weather report, it could indicate a calibration issue with the barometer or potential inaccuracies in its measurements. In such a case, it would be necessary to investigate the reasons behind the discrepancies and determine the reliability of the class barometer for future use. It helps to determine the barometer's reliability as a tool for monitoring air pressure changes in the local environment.

For such more questions on weather

https://brainly.com/question/1352127

#SPJ8

Light is not considered matter. It is a form of electromagnetic radiation that does not possess mass or occupy space in the same way that physical substances do.  Option D

a) Bubbles are made up of matter. They are typically composed of a gas (such as air) surrounded by a liquid or solid material, forming a thin film. The film of the bubble contains molecules of the substance, making it a form of matter.

b) Smoke consists of tiny particles suspended in air, resulting from the incomplete combustion of a material. These particles are solid or liquid, making smoke a form of matter. It contains tiny particles of matter that are dispersed in the air.

c) Glass is a solid material that is made up of an amorphous arrangement of molecules. It is a state of matter known as a solid, characterized by its rigidity and shape. Glass is composed of atoms and molecules tightly packed together.

In contrast, light does not have mass or a fixed volume. It behaves as both particles (photons) and waves, and it travels in a straight line at a constant speed. Light can interact with matter, such as being absorbed, transmitted, or reflected, but it itself is not matter.

In summary, while bubbles, smoke, and glass are all forms of matter, light is not. Light is a type of electromagnetic radiation that exhibits wave-particle duality and does not possess mass or occupy space in the same way as physical substances.

Option D

For mor such questions on matter visit:

https://brainly.com/question/1172629

#SPJ8

If the Gibbs free energy change (∆G°) for a reaction is zero, it means that the reaction is in a state of equilibrium, where the forward and reverse reactions are occurring at equal rates.

The equilibrium constant (K) for a chemical reaction is related to the Gibbs free energy change (∆G°) of the reaction through the equation:

∆G° = -RT ln(K)

where R is the gas constant, T is the temperature in Kelvin, and ln is the natural logarithm.

If ∆G° = 0, then:

0 = -RT ln(K)

which means that ln(K) = 0, or K = 1. Therefore, the value of the equilibrium constant for a reaction at equilibrium with ∆G° = 0 is 1.

If we begin the reaction with pure products, the reaction will proceed in the reverse direction until equilibrium is reached, according to Le Chatelier's principle. This means that the concentration of the products will decrease and the concentration of the reactants will increase until the equilibrium constant is reached, which is 1 in this case.

To know more about the Gibbs free energy refer here :

https://brainly.com/question/13318988#

#SPJ11

Answer:

0.000000025

Explanation:

[H+]=10^-pH

Answer:

2.5 10^-8

Explanation:

Explanation:

To find the isotope that is expected to be radioactive we have to compare the given isotopes with the ones that we find the in the periodic table.

(A) Ti:

Isotope ----> atomic mass = 48 atomic number = 22

Periodic table ---> average atomic mass = 47.9 atomic number = 22

(B) Sr:

Isotope ----> atomic mass = 88 atomic number = 38

Periodic table ---> average atomic mass = 87.6 atomic number = 38

(C) Os:

Isotope ----> atomic mass = 192 atomic number = 76

Periodic table ---> average atomic mass = 190.2 atomic number = 76

(D) Pu:

Isotope ----> atomic mass = 244 atomic number = 94

Periodic table ---> average atomic mass = 244 atomic number = 94

If we take a look at them we will see that the only one that is different is osmium. The atomic mass of the isotope is 192 amu, that means that this isotope has 2 more neutrons than the average atom of the element. So we can expect that it could be radioactive.

Answer: C. Os

There are number of  moles of alpha-pinene oxide in 0.25 mL.

To determine the number of moles of alpha-pinene oxide in 0.25 mL, we need to know the density and molecular weight of alpha-pinene oxide.
Density of alpha-pinene oxide = 0.926 g/mL
The molecular weight of alpha-pinene oxide = 152.24 g/mol

First, we need to convert the volume from mL to L:

0.25 mL = 0.00025 L

Next, we can use the density to find the mass of alpha-pinene oxide in 0.25 mL:

Mass = Volume × Density
Mass = 0.00025 L × 0.926 g/mL
Mass = 0.0002315 g

Finally, we can use the molecular weight to find the number of moles:

Moles = Mass / Molecular Weight
Moles = 0.0002315 g / 152.24 g/mol
Moles = \(1.52 \times 10^{-6} mol\)
To learn more about  Number of  moles :

https://brainly.com/question/13314627

#SPJ11

Answer:

12 cups

Explanation:

Answer:

its aragon , so letter b is right

Explanation:

Answer:

Positively Charged

Explanation:

The is a group XVI and period 4 element of the periodic table with similar physical and chemical to that of tellurium and sulfur. Selenium exist in different allotropic forms, which have different solubility including selenate, selenite and selenium in elemental form

The Se ion in selenate has a positive charge of +6, while the selenate ion has a charge of -2

The Se ion in selenite has a charge of +4, while the selenite ion has a negative charge of -2.

The charge of Se in elemental selenium is 0.

Answer:

many nebulae are found inside of a single galaxy

Explanation:

Answer:

many nebulae are found inside of a single galaxy

Explanation:

The Lewis dot structure for hydrogen should show one electron. Hydrogen (H) has one electron in its outermost energy level, known as the 1s orbital.

In the Lewis dot structure, also known as the Lewis structure or electron dot structure, the valence electrons of an atom are represented by dots placed around the atomic symbol.

Hydrogen (H) has one electron in its outermost energy level, known as the 1s orbital. Therefore, in the Lewis dot structure for hydrogen, we represent this lone valence electron as a single dot placed next to the atomic symbol H. Since hydrogen has only one electron, only one dot is shown in its Lewis dot structure.

The Lewis dot structure for hydrogen is H •

The dot represents the single valence electron of hydrogen.

Learn more about the Lewis structure here:

https://brainly.com/question/29797595

#SPJ11

Firstly, it's important to understand that a ruby laser works by exciting the electrons in ruby crystal to higher energy levels, which causes them to emit photons of light. This process is called stimulated emission and produces a coherent, intense beam of light.

In the given scenario, the ruby laser emits a pulse of light that lasts 20 nanoseconds (ns) and has a wavelength of 690 nanometers (nm). This wavelength falls within the red spectrum of light and is commonly used in medical and industrial applications.

Each pulse of light also has an energy of 400 millijoules (mj). A joule is a unit of energy, and 1 millijoule (mj) is equal to 1/1000th of a joule. Therefore, 400 mj is equal to 0.4 joules.

Now, to address the term "150", I will assume that you are asking how many pulses of light can be emitted from the ruby laser with an energy capacity of 150 joules. To find this answer, we can use the formula:

Number of pulses = Energy capacity / Energy per pulse

Substituting the given values, we get:

Number of pulses = 150 J / 0.4 J

Number of pulses = 375

Therefore, the ruby laser can emit 375 pulses of light with an energy capacity of 150 joules.

In conclusion, a ruby laser emits an intense pulse of light that lasts 20 ns and has a wavelength of 690 nm. Each pulse has an energy of 400 mj, which is equal to 0.4 joules. With an energy capacity of 150 joules, the laser can emit 375 pulses of light.

A ruby laser emits a 20 ns (nanosecond) pulse of light with a wavelength of 690 nm (nanometers) and an energy of 400 mJ (millijoules) per pulse. This intense light pulse is generated due to the stimulated emission process within the ruby crystal.

To know more about  ruby laser visit:-

https://brainly.com/question/31387374

#SPJ11

Answer:

Bb rabbit

Explanation:

In an ecosystem , when a brown  "BB" rabbit  is crossed to a white "bb" rabbit offsprings with genotype Bb are produced.

Ecosystem is defined as a system which consists of all living organisms and the physical components with which the living beings interact. The abiotic and biotic components are linked to each other through nutrient cycles and flow of energy.

Energy enters the system through the process of photosynthesis .Animals play an important role in transfer of energy as they feed on each other.As a result of this transfer of matter and energy takes place through the system .Living organisms also influence the quantity of biomass present.By decomposition of dead plants and animals by microbes nutrients are released back in to the soil.

Learn more about ecosystem,here:

https://brainly.com/question/13979184

#SPJ6